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PAC Racing Springs
Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight from traditional methods. Tapered wire has several advantages to the true chassis engineer and extreme racer looking for the next level of performance.

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Items 1-25 of 182
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Description: Sway Bar, Gun Drilled, 1-1/2 in Diameter, 1-1/2 x 48 Spline, Steel, Natural, Universal, Each
Item #: PACPAC-SB-R48-150-37.5H
Condition: New
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Price: $284.99
Sale: $270.00
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Description: Sway Bar, Gun Drilled, 1-1/2 in Diameter, 1-1/4 in 49 Spline, Steel, Natural, Universal, Each
Item #: PACPAC-SB-P49-150-37.5Q
Condition: New
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Price: $247.99
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Description: Sway Bar, Gun Drilled, 1-1/4 in Diameter, 1-1/2 in 48 Spline, Steel, Natural, Universal, Each
Item #: PACPAC-SB-R48-125-37.5H
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Price: $247.99
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Description: Sway Bar, Gun Drilled, 1-1/4 in Diameter, 1-1/4 in 49 Spline, Steel, Natural, Universal, Each
Item #: PACPAC-SB-P49-125-37.5Q
Condition: New
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Price: $192.99
Sale: $182.00
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Description: Sway Bar, Gun Drilled, 1-1/8 in Diameter, 1-1/2 in 48 Spline, Steel, Natural, Universal, Each
Item #: PACPAC-SB-R48-112-37.5H
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Price: $247.99
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Description: Sway Bar, Gun Drilled, 1-1/8 in Diameter, 1-1/4 in 49 Spline, Steel, Natural, Universal, Each
Item #: PACPAC-SB-P49-112-37.5Q
Condition: New
Limited Supply: Only 4 Left!
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Price: $192.99
Sale: $182.00
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Description: Sway Bar, Gun Drilled, 1-3/4 in Diameter, 1-1/2 in 48 Spline, Steel, Natural, Universal, Each
Item #: PACPAC-SB-R48-175-37.5H
Condition: New
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Price: $284.99
Sale: $270.00
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Description: Sway Bar, Gun Drilled, 1-3/8 in Diameter, 1-1/2 in 48 Spline, Steel, Natural, Universal, Each
Item #: PACPAC-SB-R48-137-37.5H
Condition: New
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Price: $247.99
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Description: Sway Bar, Gun Drilled, 1-3/8 in Diameter, 1-1/4 in 49 Spline, Steel, Natural, Universal, Each
Item #: PACPAC-SB-P49-137-37.5Q
Condition: New
Limited Supply: Only 4 Left!
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Price: $247.99
Sale: $235.00
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Description: Sway Bar, Gun Drilled, 1-5/8 in Diameter, 1-1/4 in 49 Spline, Steel, Natural, Universal, Each
Item #: PACPAC-SB-P49-162-37.5Q
Condition: New
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Price: $247.99
Sale: $235.00
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Description: Valve Spring, 120 Degree Series, Dual Spring, 610 lb/in Spring Rate, 1.115 in Coil Bind, 1.260 in OD, Set of 16
Item #: PACPAC-1203
Condition: New
Limited Supply: Only 2 Left!
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Price: $256.99
Sale: $243.62
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Description: Valve Spring, 120 Degree Series, Dual Spring / Damper, 350 lb/in Spring Rate, 1.048 in Coil Bind, 1.260 in OD, Set of 16
Item #: PACPAC-1216
Condition: New
Limited Supply: Only 0 Left!
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Price: $212.99
Sale: $201.41
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Description: Valve Spring, RPM Series, Dual Spring, 550 lb/in Spring Rate, 1.045 in Coil Bind, 1.274 in OD, GM LS-Series, Set of 16
Item #: PACPAC-1237X
Condition: New
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Price: $354.99
Sale: $336.97
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Description: Valve Spring, 120 Degree Series, Ovate Beehive Spring, 285 lb/in Spring Rate, 1.181 in Coil Bind, 1.282 in OD, Set of 16
Item #: PACPAC-1280X
Condition: New
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Price: $212.99
Sale: $201.94
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Description: Valve Spring Retainer, 500 Series, Mini 8 Degree, 0.995 in / 0.700 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R552
Condition: New
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Price: $372.99
Sale: $353.78
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Description: Valve Spring Height Gauge, 1.400-1.900 in Range, 1.200 in ID, 0.050 in Per Turn, Orange Anodize, Each
Item #: PACPAC-T903
Condition: New
Limited Supply: Only 3 Left!
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Price: $121.99
Sale: $115.00
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Description: Valve Spring Height Gauge, 1.400-2.000 in Range, 0.001 in Scale, Blue Anodize, Beehive Springs, Each
Item #: PACPAC-T901
Condition: New
Limited Supply: Only 7 Left!
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Price: $121.99
Sale: $115.00
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Description: Valve Spring Height Gauge, 1.400-2.000 in Range, 0.001 in Scale, Blue Anodize, LS Dual Springs, Each
Item #: PACPAC-T904
Condition: New
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Price: $121.99
Sale: $115.00
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Description: Valve Spring, 1300 Series, Dual Spring, 780 lb/in Spring Rate, 1.130 in Coil Bind, 1.500 in OD, Set of 16
Item #: PACPAC-1356-1
Condition: New
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Price: $44.99
Sale: $41.84
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Description: Valve Spring, 1300 Series, Dual Spring, 467 lb/in Spring Rate, 1.180 in Coil Bind, 1.500 in OD, Set of 16
Item #: PACPAC-1340
Condition: New
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Price: $537.99
Sale: $510.18
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Price: $757.99
Sale: $720.00
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Description: Valve Spring, 1300 Series, Triple Spring, 840 lb/in Spring Rate, 1.100 in Coil Bind, 1.681 in OD, Set of 16
Item #: PACPAC-1364
Condition: New
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Price: $783.99
Sale: $744.35
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Save: $39.64

Description: Valve Spring, 1300 Series, Triple Spring, 840 lb/in Spring Rate, 1.100 in Coil Bind, 1.681 in OD, Set of 16
Item #: PACPAC-1364L
Condition: New
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Price: $783.99
Sale: $744.35
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Description: Valve Spring Height Gauge, 1.800-2.500 in Range, 0.001 in Scale, Red Anodize, Each
Item #: PACPAC-T902
Condition: New
Limited Supply: Only 4 Left!
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Price: $121.99
Sale: $115.00
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Description: Valve Lock, 10 Degree, 11/32 in Valve Stem, 0.050 in More Height, 1 Radius Groove, Steel, Natural, Set of 32
Item #: PACPAC-L8028
Condition: New
Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $68.99
Sale: $64.98
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Save: $4.01
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Items 1-25 of 182

More About PAC Racing Springs

Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight from traditional methods. Tapered wire has several advantages to the true chassis engineer and extreme racer looking for the next level of performance.

PAC Racing Springs pioneered high travel suspension springs when post race tech began disqualifying winning cars from too low of ride height, a result from spring sag and poor designs. We answered the demand using cutting edge materials and processing, thus reducing cost over expensive and ineffective aerospace alloys typically used. This innovative method provides superior spring construction and performance reducing cost drastically over competition. PAC Racing is capable of using our in house Servo Hydraulic single post MTS to duplicate the rigors of racing, every bump, every turn, which allows improvement to the design continuously.

Technology

The Primary focus of the Peterson Spring group is Automotive and Industrial applications, these interactions increase technical advancements for PAC Racing Spring products. We can offer enhanced technology through engineering resources and expanded experience from all of our power-train engineers. Additionally with nearly 100 years of manufacturing experience we continually improve our products to exceed demanding expectations.

Testing

Because of the extreme demands of racing, we routinely test all of our components using advanced testing technology. We have a fully accredited metallurgy lab with dedicated staff and equipment such as: SEM with EDAX, Xray Diffraction, Micro Hardness, Impact Testing, and MTS Tensile Test machine. Additionally, we are able to test functionality and fatigue properties in our Dyanamics Laboratory, which includes a single post MTS Servo Hydraulic test machine, various bench type equipment, and our High Tech Engine test lab. Whatever your application we strive to bring confidence that our products meet and exceed designed parameters.

PAC Racing Springs, based in Detroit, MI, is the Racing and Aftermarket Division of the Peterson Spring Company. With more than 10 divisions around the world, Peterson Spring is the largest privately held, family owned Spring Company in the USA. With nearly 100 years of operation, Peterson Spring proudly manufactures all the Racing and Aftermarket components in Detroit, Michigan.